functional test
d. Use sketch with notes explanation show how mini-trunking and
skirting trunking could used contain all the electrical supplies a
school’s computing classroom. The Electricity Work Regulations state that:
a.
22. only instructed and skilled people may work ‘live’. Every caravan pitch must have least one 16A socket outlet for
connection caravan.
.
21. Use sketch with notes explanation show the earthing and
protective bonding arrangements the mains intake position a
230V system. overcurrent protection
b. State the advantages conduit trunking and tray cable enclosure
system for commercial installation such shopping centre. Zone protection.
26.
23. continuity test
b. polarity test. only competent people may work ‘live’
d. The socket outlet must be:
a.
25.365
U W
6 6
2 2
C1
L1 C1
2
C3
4
5
6
To phase supply
To phase motor
19. Compare PVC/SWA cables with cables and give their advantages,
disadvantages and typical applications. Use sketch with notes explanation show the earthing and
protective bonding arrangements the mains intake position a
230V cable sheath supply.
27.
20. the industrial type
b. All final circuits bathroom, both power and lighting, must have:
a. one may work ‘live’
c. Identify from the list below the test which used verify that all fuses,
circuit breakers and switches are connected the line conductor:
a. IPX7 protection
d.
24. everyone may work ‘live’
b. earth fault loop impedance
c. buried depth 600mm. RCD protection
c. protected additionally RCD
d. protected from overcurrent
c
